activity
20222026
most citedTool Learning with Foundation Models

33 citations · 49 across the 17 of their papers we have counts for

collaborators

21 papers

cs.CL2026

IQuest-Q1: Advancing Foundation Capabilities for Agentic CLI Systems

A. Jian Yang, An Huang, Bo Dan +173

We present IQuest-Q1, a sparse Mixture-of-Experts (MoE) agentic foundation model with 320B total parameters (15B activated). IQuest-Q1 is developed through a three-stage process: (…

cs.RO2026

CriticHack: Evaluating Visual Rewards Under Robot Policy Optimization

Jiaxuan Luo, Xingguo Xu, Shanshan Wang +2

Learned visual reward models are increasingly used to optimize robot policies, yet a reward model can score an execution that acts on the wrong object as highly as one that complet…

cs.CL2026

Efficient and Trainable Language Model Test-Time Scaling via Local Branch Routing

Yutong Yin, Mingyu Jin, Jin Pan +12

Test-time scaling improves language-model reasoning, but existing approaches often face a difficult trade-off: long chain-of-thought sampling remains single-threaded, while sentenc…

cs.LG2026

IAPO: Input Attribution-Aware Policy Optimization for Tool Use in Small Multimodal Agents

Yifan Yang, Zhen Zhang, Jiayi Tian +2

This paper investigates reinforcement learning (RL) methods for improving tool-calling capabilities in multimodal small language model (SLM) agents. While existing works have explo…

cs.CL2026

Length Value Model: Scalable Value Pretraining for Token-Level Length Modeling

Zhen Zhang, Changyi Yang, Zijie Xia +11

Tokens are the fundamental units of computation in modern autoregressive models, and generation length directly influences both inference cost and reasoning performance. Despite it…

cs.CL2026

When Users Change Their Mind: Evaluating Interruptible Agents in Long-Horizon Web Navigation

Henry Peng Zou, Chunyu Miao, Wei-Chieh Huang +16

As LLM agents transition from short, static problem solving to executing complex, long-horizon tasks in dynamic environments, the ability to handle user interruptions, such as addi…

cs.CV2026

MathGen: Revealing the Illusion of Mathematical Competence through Text-to-Image Generation

Ruiyao Liu, Hui Shen, Ping Zhang +16

Modern generative models have demonstrated the ability to solve challenging mathematical problems. In many real-world settings, however, mathematical solutions must be expressed vi…

cs.AI2026

CM2: Reinforcement Learning with Checklist Rewards for Multi-Turn and Multi-Step Agentic Tool Use

Zhen Zhang, Kaiqiang Song, Xun Wang +11

AI agents are increasingly used to solve real-world tasks by reasoning over multi-turn user interactions and invoking external tools. However, applying reinforcement learning to su…

cs.AI2026

Group-Evolving Agents: Open-Ended Self-Improvement via Experience Sharing

Zhaotian Weng, Antonis Antoniades, Deepak Nathani +3

Open-ended self-improving agents can autonomously modify their own structural designs to advance their capabilities and overcome the limits of pre-defined architectures, thus reduc…

cs.CL2026

MMFormalizer: Multimodal Autoformalization in the Wild

Jing Xiong, Qi Han, Yunta Hsieh +11

Autoformalization, which translates natural language mathematics into formal statements to enable machine reasoning, faces fundamental challenges in the wild due to the multimodal…

cs.CL2025

Presenting a Paper is an Art: Self-Improvement Aesthetic Agents for Academic Presentations

Chengzhi Liu, Yuzhe Yang, Kaiwen Zhou +5

The promotion of academic papers has become an important means of enhancing research visibility. However, existing automated methods struggle limited storytelling, insufficient aes…

cs.LG2025

SharpZO: Hybrid Sharpness-Aware Vision Language Model Prompt Tuning via Forward-Only Passes

Yifan Yang, Zhen Zhang, Rupak Vignesh Swaminathan +3

Fine-tuning vision language models (VLMs) has achieved remarkable performance across various downstream tasks; yet, it requires access to model gradients through backpropagation (B…

cs.CL2025

Soft Thinking: Unlocking the Reasoning Potential of LLMs in Continuous Concept Space

Zhen Zhang, Xuehai He, Weixiang Yan +5

Human cognition typically involves thinking through abstract, fluid concepts rather than strictly using discrete linguistic tokens. Current reasoning models, however, are constrain…

cs.RO2025

APEX: Empowering LLMs with Physics-Based Task Planning for Real-time Insight

Wanjing Huang, Weixiang Yan, Zhen Zhang +1

Large Language Models (LLMs) demonstrate strong reasoning and task planning capabilities but remain fundamentally limited in physical interaction modeling. Existing approaches inte…

cs.LG2025

MaZO: Masked Zeroth-Order Optimization for Multi-Task Fine-Tuning of Large Language Models

Zhen Zhang, Yifan Yang, Kai Zhen +4

Large language models have demonstrated exceptional capabilities across diverse tasks, but their fine-tuning demands significant memory, posing challenges for resource-constrained…

cs.CL2024★ 4 cited

Advancing the Robustness of Large Language Models through Self-Denoised Smoothing

Jiabao Ji, Bairu Hou, Zhen Zhang +7

Although large language models (LLMs) have achieved significant success, their vulnerability to adversarial perturbations, including recent jailbreak attacks, has raised considerab…

cs.CL2023★ 5 cited

Certified Robustness for Large Language Models with Self-Denoising

Zhen Zhang, Guanhua Zhang, Bairu Hou +5

Although large language models (LLMs) have achieved great success in vast real-world applications, their vulnerabilities towards noisy inputs have significantly limited their uses,…

cs.LG2023★ 1 cited

OpenDelta: A Plug-and-play Library for Parameter-efficient Adaptation of Pre-trained Models

Shengding Hu, Ning Ding, Weilin Zhao +4

The scale of large pre-trained models (PTMs) poses significant challenges in adapting to downstream tasks due to the high optimization overhead and storage costs associated with fu…

cs.CL2023

Parameter-Efficient Cross-lingual Transfer of Vision and Language Models via Translation-based Alignment

Zhen Zhang, Jialu Wang, Xin Eric Wang

Pre-trained vision and language models such as CLIP have witnessed remarkable success in connecting images and texts with a primary focus on English texts. Despite recent efforts t…

cs.CL2023★ 33 cited

Tool Learning with Foundation Models

Yujia Qin, Shengding Hu, Yankai Lin +38

Humans possess an extraordinary ability to create and utilize tools, allowing them to overcome physical limitations and explore new frontiers. With the advent of foundation models,…

cs.CL2022★ 6 cited

Sparse Structure Search for Parameter-Efficient Tuning

Shengding Hu, Zhen Zhang, Ning Ding +4

Adapting large pre-trained models (PTMs) through fine-tuning imposes prohibitive computational and storage burdens. Recent studies of parameter-efficient tuning (PET) find that onl…